rubio told fox news restricting assault weapons would not prevent mass murder. >> i think the president doesn't have the guts to admit it, is not a believer in the second amendment although he states he is. >> reporter: mr. obama's proposals include reinstating the assault weapons ban which congress let lapse in 2004 and limiting the number of bullets in high capacity magazines to ten, but even getting those measures through the democratically controlled senate will be difficult. north dakota's heidi heidcamp opposes the gun restrictions. >> this is wrong headed. we need to be doing things that actually achieve a result and that's not something i am convinced will achieve the intended result. >> reporter: there are other proposals on the president's list that have bipartisan support like cracking down on gun trafficking and imposing universal background checks. >> if you want to buy a gun, whether it's from a licensed dealer or a private seller you should at least have to show you are not a felon or somebody legally prohibited from buying one. this is common sense. >> reporter: washingt